165338029 has 2 divisors, whose sum is σ = 165338030. Its totient is φ = 165338028.

The previous prime is 165338027. The next prime is 165338051. The reversal of 165338029 is 920833561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126562500 + 38775529 = 11250^2 + 6227^2 .

It is an emirp because it is prime and its reverse (920833561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165338029 - 2¹ = 165338027 is a prime.

Together with 165338027, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165338021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82669014 + 82669015.

It is an arithmetic number, because the mean of its divisors is an integer number (82669015).

Almost surely, 2^165338029 is an apocalyptic number.

It is an amenable number.

165338029 is a deficient number, since it is larger than the sum of its proper divisors (1).

165338029 is an equidigital number, since it uses as much as digits as its factorization.

165338029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 165338029 is about 12858.3836075924. The cubic root of 165338029 is about 548.8549499957.

The spelling of 165338029 in words is "one hundred sixty-five million, three hundred thirty-eight thousand, twenty-nine".